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Polyethylene was first synthesized by the German chemist Hans von Pechmann, who prepared it by accident in 1898 while investigating diazomethane. [12] [a] [13] [b] When his colleagues Eugen Bamberger and Friedrich Tschirner characterized the white, waxy substance that he had created, they recognized that it contained long −CH 2 − chains and termed it polymethylene.
A screenshot of the English Wikipedia login screen. In computer security, logging in (or logging on, signing in, or signing on) is the process by which an individual gains access to a computer system or program by identifying and authenticating themselves.
Farmers' varieties are eligible for registration and farmers are totally exempted from payment of any fee in any proceedings under this Act. The period of protection for field crops is 15 years and for trees and vines is 18 years and for notified varieties it is 15 years from the date of notification under section 5 of Seeds Act, 1966.
The Farmers Club is a London private members' club based at Whitehall Court, founded in 1842. Members are required to have an association with farming, agriculture or food. Members are required to have an association with farming, agriculture or food.
The at sign, @, is an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £2 per widget = £14), [1] now seen more widely in email addresses and social media platform handles. It is normally read aloud as "at" and is also commonly called the at symbol, commercial at, or address sign.
Walmart has been the world's largest company by revenue since 2014. [1]This list comprises the world's largest companies by consolidated revenue, according to the Fortune Global 500 2024 rankings and other sources. [2]
The following table lists the 100 largest bank holding companies in the United States ranked by total assets of March 31, 2024 per the Federal Financial Institutions Examination Council; their market capitalization is also shown.
Bayesian was a 56-metre (184 ft) sailing superyacht, built as Salute by Perini Navi at Viareggio, Italy, and delivered in 2008. [9] It had a 72-metre (237 ft) mast, one of the tallest in the world.